Disgusted by Mugg and Bean regarding the birthday cake slice reward for your birthday- clearly false advertising

I was appalled when I did not receive my birthday complimentary cake this year from mugg and bean so I decided to email their customer service at ***. Only to receive a disappointed feedback stating that "You will need to transact on our Loyalty App more than once a year – either paying with a linked card or scanning your bill to earn loyalty" in order for me to qualify for this...However when I did send an attachment of my transactional history, there was no response. I am actually so disgusted by companies who don't adhere to their promises and keep their word as there are many customers who don't claim , which the company gains from but the ones that do ,get told that they don't qualify. Why then advertise???? Don't!!! And don't false advertise!!